JPH024327A - 核磁化分布を求める方法及び装置 - Google Patents
核磁化分布を求める方法及び装置Info
- Publication number
- JPH024327A JPH024327A JP63323230A JP32323088A JPH024327A JP H024327 A JPH024327 A JP H024327A JP 63323230 A JP63323230 A JP 63323230A JP 32323088 A JP32323088 A JP 32323088A JP H024327 A JPH024327 A JP H024327A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- echo
- pulse sequence
- magnetic field
- pulses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000005415 magnetization Effects 0.000 title claims description 27
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims abstract description 95
- 230000005284 excitation Effects 0.000 claims description 44
- 238000005070 sampling Methods 0.000 claims description 5
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000003325 tomography Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000002075 inversion recovery Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005311 nuclear magnetism Effects 0.000 description 2
- 238000000264 spin echo pulse sequence Methods 0.000 description 2
- 101100119077 Caenorhabditis elegans erl-1 gene Proteins 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
- 238000012623 in vivo measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
- G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8703127A NL8703127A (nl) | 1987-12-24 | 1987-12-24 | Werkwijze en inrichting voor het genereren van vervlochten multiple-slice en multiple-echo pulssequenties voor mri. |
| NL8703127 | 1987-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH024327A true JPH024327A (ja) | 1990-01-09 |
Family
ID=19851147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63323230A Pending JPH024327A (ja) | 1987-12-24 | 1988-12-21 | 核磁化分布を求める方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4908578A (fr) |
| EP (1) | EP0322968B1 (fr) |
| JP (1) | JPH024327A (fr) |
| DE (1) | DE3853353T2 (fr) |
| NL (1) | NL8703127A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100784543B1 (ko) * | 2005-02-23 | 2007-12-11 | 엘지전자 주식회사 | 플라즈마 디스플레이 장치, 그의 구동방법, 플라즈마 디스플레이 패널 및 플라즈마 디스플레이 패널의 구동장치 |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851778A (en) * | 1988-12-15 | 1989-07-25 | The Regents Of The University Of California | Enhanced S/N MRI for short TR nutation sequences |
| JPH0312130A (ja) * | 1989-06-09 | 1991-01-21 | Fuji Electric Co Ltd | 磁気共鳴イメージング装置 |
| JPH03103236A (ja) * | 1989-09-18 | 1991-04-30 | Hitachi Ltd | 核磁気共鳴マルチエコー撮影方法 |
| GB9106789D0 (en) * | 1991-04-02 | 1991-05-22 | Nat Res Dev | Nqr methods and apparatus |
| US5237273A (en) * | 1991-05-22 | 1993-08-17 | General Electric Company | Interleaved acquisition of multi-slice NMR data |
| DE4137217C2 (de) * | 1991-11-13 | 1993-10-07 | Hennig Juergen | Verfahren der Kernspin-Tomographie |
| DE69320105T2 (de) * | 1992-05-27 | 1999-03-11 | Philips Electronics N.V., Eindhoven | Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz |
| US5406203A (en) * | 1992-08-10 | 1995-04-11 | The Trustees Of Columbia University In The City Of New York | Methods of multislice acquisition for magnetic resonance imaging |
| US5361763A (en) * | 1993-03-02 | 1994-11-08 | Wisconsin Alumni Research Foundation | Method for segmenting features in an image |
| US5387866A (en) * | 1993-08-12 | 1995-02-07 | General Electric Company | Methods for high-speed measurement of spin-lattice relaxation times |
| US5436600A (en) * | 1994-07-29 | 1995-07-25 | The Regents Of The University Of California | MRI multi-frequency DSB and SSB RF synthesizer |
| US6487435B2 (en) * | 1998-04-10 | 2002-11-26 | Wisconsin Alumni Research Foundation | Magnetic resonance angiography using undersampled 3D projection imaging |
| US6192263B1 (en) * | 1998-09-01 | 2001-02-20 | General Electric Company | Phase-sensitive inversion recovery method of MR imaging |
| DE10201063B4 (de) * | 2002-01-14 | 2005-06-02 | Siemens Ag | Gerät und Verfahren, sowie Computersoftware-Produkt zur PPA-Magnetresonanzbildgebung |
| CN100401089C (zh) * | 2004-07-23 | 2008-07-09 | 华东师范大学 | 一种实现多层面扫描序列的相位相干的方法 |
| WO2006082564A1 (fr) * | 2005-02-03 | 2006-08-10 | Koninklijke Philips Electronics, N.V. | Imagerie de precession libre a etat stable pour tranches multiples |
| JP5184049B2 (ja) * | 2007-10-30 | 2013-04-17 | 株式会社日立製作所 | 磁気共鳴検査装置及び高周波パルス波形算出方法 |
| CN102141603B (zh) * | 2010-01-28 | 2013-07-31 | 西门子(深圳)磁共振有限公司 | 一种平面回波成像方法和系统 |
| US10502655B2 (en) | 2017-03-07 | 2019-12-10 | Tech4Imaging Llc | Magnetic pressure sensors system for measurement and imaging of steel mass |
| US10976286B2 (en) | 2017-10-23 | 2021-04-13 | Tech4Imaging Llc | Differential magnetic field tomography |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105550A (ja) * | 1982-12-09 | 1984-06-18 | Yokogawa Hokushin Electric Corp | 核磁気共鳴による検査方法 |
| JPS61275645A (ja) * | 1985-05-31 | 1986-12-05 | Shimadzu Corp | Ｍｒｉ装置のデ−タ収集法 |
| WO1987007029A1 (fr) * | 1986-05-05 | 1987-11-19 | Duke University | Sequence d'impulsion intercalee pour l'acquisition d'images par resonance magnetique nucleaire (rmn) |
| JPS62295651A (ja) * | 1986-01-28 | 1987-12-23 | 横河メディカルシステム株式会社 | 核磁気共鳴断層撮像装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4599565A (en) * | 1981-12-15 | 1986-07-08 | The Regents Of The University Of Calif. | Method and apparatus for rapid NMR imaging using multi-dimensional reconstruction techniques |
| FI67449C (fi) * | 1982-12-17 | 1985-03-11 | Instrumentarium Oy | Foerfarande foer utredning av objektets struktur och egenskaper |
| US4577152A (en) * | 1983-04-11 | 1986-03-18 | Albert Macovski | Selective material projection imaging system using nuclear magnetic resonance |
| US4549139A (en) * | 1983-06-03 | 1985-10-22 | General Electric Company | Method of accurate and rapid NMR imaging of computed T1 and spin density |
| US4613949A (en) * | 1984-02-17 | 1986-09-23 | General Electric Company | Composite pulses for time reversal in NMR imaging |
| US4665367A (en) * | 1985-08-16 | 1987-05-12 | Technicare Corporation | Multiplexed magnetic resonance imaging of volumetric regions |
| GB8528357D0 (en) * | 1985-11-18 | 1985-12-24 | Picker Int Ltd | Nuclear magnetic resonance imaging |
| JPS639432A (ja) * | 1986-06-30 | 1988-01-16 | 株式会社東芝 | 磁気共鳴イメ−ジング装置のデ−タ収集方法 |
| DE3631039A1 (de) * | 1986-09-12 | 1988-03-24 | Philips Patentverwaltung | Kernspintomographieverfahren und kernspintomograph zur durchfuehrung des verfahrens |
-
1987
- 1987-12-24 NL NL8703127A patent/NL8703127A/nl not_active Application Discontinuation
-
1988
- 1988-12-19 EP EP88202966A patent/EP0322968B1/fr not_active Expired - Lifetime
- 1988-12-19 DE DE3853353T patent/DE3853353T2/de not_active Expired - Fee Related
- 1988-12-21 JP JP63323230A patent/JPH024327A/ja active Pending
- 1988-12-23 US US07/290,075 patent/US4908578A/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105550A (ja) * | 1982-12-09 | 1984-06-18 | Yokogawa Hokushin Electric Corp | 核磁気共鳴による検査方法 |
| JPS61275645A (ja) * | 1985-05-31 | 1986-12-05 | Shimadzu Corp | Ｍｒｉ装置のデ−タ収集法 |
| JPS62295651A (ja) * | 1986-01-28 | 1987-12-23 | 横河メディカルシステム株式会社 | 核磁気共鳴断層撮像装置 |
| WO1987007029A1 (fr) * | 1986-05-05 | 1987-11-19 | Duke University | Sequence d'impulsion intercalee pour l'acquisition d'images par resonance magnetique nucleaire (rmn) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100784543B1 (ko) * | 2005-02-23 | 2007-12-11 | 엘지전자 주식회사 | 플라즈마 디스플레이 장치, 그의 구동방법, 플라즈마 디스플레이 패널 및 플라즈마 디스플레이 패널의 구동장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0322968A1 (fr) | 1989-07-05 |
| US4908578A (en) | 1990-03-13 |
| EP0322968B1 (fr) | 1995-03-15 |
| DE3853353T2 (de) | 1995-10-26 |
| DE3853353D1 (de) | 1995-04-20 |
| NL8703127A (nl) | 1989-07-17 |
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